#include <my_header.h>
/*Usage:  */
int main(int argc, char *argv[]){
    char buf[1024] = { 0 };
    /*
     * 0:stdin 标准输入
     * 1:stdout 标准输出
     * 2:stderr 标准错误输出
     * */
    ssize_t  sret = read(0, buf, sizeof(buf));
    ERROR_CHECK(sret, -1,"read");

    printf("sret = %ld, buf = %s\n",sret, buf);

    return 0;
}


